A Novel Method To Construct Deterministic Finite Automata From AGiven Regular Grammar
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IJSER © 2015 http://www.ijser.org A Novel Method To Construct Deterministic Finite Automata From AGiven Regular Grammar K.Senthil Kumar D.Malathi Abstract—Membership checking is an important task in language formalism. In regular Language ,Deterministic Finite Automata plays membership checking in a convenient way. Regular language is normally represented by regular expression from which people are finding Deterministic Finite Automata through Non Deterministic Finite Automata. In this paper we have proposed a second degree polynomial algorithm to find the Deterministic Finite Automata for a given Regular grammar.This paper describes a novel method which finds Deterministic Finite Automata directly from a given regular grammar without going through NFA .We extend the idea of GOTO and CLOSURE functions in LR parsing model to Regular grammars and use the same to find the states of the required Deterministic Finite Automata. Also we have proposed a new algorithm which minimizes the number of states of the obtained Deterministic Finite Automata.
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تاریخ انتشار 2015